I0625 10:03:15.883464 59027 x:0] CalibratedClock(Monotonic): ready I0625 10:03:15.883628 59027 x:0] CalibratedClock(Realtime): ready I0625 10:04:00.011226 59027 x:0] Watchdog starting loop, tasks: 7, discount: 0s I0625 10:04:16.661755 4260 x:0] *************************** I0625 10:04:16.661916 4260 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -network=none -platform=ptrace -file-access=proxy -network=sandbox exec -user=0:0 -cap CAP_CHOWN -cap CAP_DAC_OVERRIDE -cap CAP_DAC_READ_SEARCH -cap CAP_FOWNER -cap CAP_FSETID -cap CAP_KILL -cap CAP_SETGID -cap CAP_SETUID -cap CAP_SETPCAP -cap CAP_LINUX_IMMUTABLE -cap CAP_NET_BIND_SERVICE -cap CAP_NET_BROADCAST -cap CAP_NET_ADMIN -cap CAP_NET_RAW -cap CAP_IPC_LOCK -cap CAP_IPC_OWNER -cap CAP_SYS_MODULE -cap CAP_SYS_RAWIO -cap CAP_SYS_CHROOT -cap CAP_SYS_PTRACE -cap CAP_SYS_PACCT -cap CAP_SYS_ADMIN -cap CAP_SYS_BOOT -cap CAP_SYS_NICE -cap CAP_SYS_RESOURCE -cap CAP_SYS_TIME -cap CAP_SYS_TTY_CONFIG -cap CAP_MKNOD -cap CAP_LEASE -cap CAP_AUDIT_WRITE -cap CAP_AUDIT_CONTROL -cap CAP_SETFCAP -cap CAP_MAC_OVERRIDE -cap CAP_MAC_ADMIN -cap CAP_SYSLOG -cap CAP_WAKE_ALARM -cap CAP_BLOCK_SUSPEND -cap CAP_AUDIT_READ ci-gvisor-ptrace-proxy-sandbox-race-1 /syz-executor211735367] I0625 10:04:16.662219 4260 x:0] Git Revision: 60dbbdc2d54bb52ad36234a843c1aaeec2650aa1 I0625 10:04:16.662243 4260 x:0] PID: 4260 I0625 10:04:16.662263 4260 x:0] UID: 0, GID: 0 I0625 10:04:16.662330 4260 x:0] Configuration: I0625 10:04:16.662350 4260 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0625 10:04:16.662373 4260 x:0] Platform: ptrace I0625 10:04:16.662399 4260 x:0] FileAccess: proxy, overlay: false I0625 10:04:16.662430 4260 x:0] Network: sandbox, logging: false I0625 10:04:16.662461 4260 x:0] Strace: false, max size: 1024, syscalls: [] I0625 10:04:16.662505 4260 x:0] *************************** I0625 10:04:16.668868 59027 x:0] EXEC: [/syz-executor211735367] executing program ================== WARNING: DATA RACE Read at 0x00c42046e270 by goroutine 126: gvisor.googlesource.com/gvisor/pkg/sentry/fs/proc.forEachMountSource() pkg/sentry/kernel/task_resources.go:103 +0x5a gvisor.googlesource.com/gvisor/pkg/sentry/fs/proc.(*mountInfoFile).ReadSeqFileData() pkg/sentry/fs/proc/mounts.go:74 +0x103 gvisor.googlesource.com/gvisor/pkg/sentry/fs/proc/seqfile.(*SeqFile).updateSourceLocked() pkg/sentry/fs/proc/seqfile/seqfile.go:225 +0xec gvisor.googlesource.com/gvisor/pkg/sentry/fs/proc/seqfile.(*SeqFile).DeprecatedPreadv() pkg/sentry/fs/proc/seqfile/seqfile.go:190 +0x616 gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil.(*Handle).Read() pkg/sentry/fs/fsutil/handle.go:90 +0xbd gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).Preadv() pkg/sentry/fs/file.go:248 +0x13c gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.preadv() pkg/sentry/syscalls/linux/sys_read.go:234 +0xae gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Preadv() pkg/sentry/syscalls/linux/sys_read.go:185 +0x2f2 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Previous write at 0x00c42046e270 by goroutine 121: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*TaskResources).release() pkg/sentry/kernel/task_resources.go:57 +0xb2 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runExitMain).execute() pkg/sentry/kernel/task_exit.go:262 +0x167 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 126 (running) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:251 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone() pkg/sentry/kernel/task_clone.go:314 +0x10e6 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.clone() pkg/sentry/syscalls/linux/sys_thread.go:157 +0x22e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Clone() pkg/sentry/syscalls/linux/sys_thread.go:171 +0x80 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 121 (finished) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:251 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).CreateProcess() pkg/sentry/kernel/kernel.go:635 +0x923 gvisor.googlesource.com/gvisor/pkg/sentry/control.(*Proc).Exec() pkg/sentry/control/proc.go:131 +0x7da gvisor.googlesource.com/gvisor/runsc/boot.(*containerManager).Execute() runsc/boot/controller.go:206 +0xc0 runtime.call64() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_static_race_stripped/stdlib~/src/runtime/asm_amd64.s:574 +0x3a reflect.Value.Call() GOROOT/src/reflect/value.go:308 +0xc0 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne() pkg/urpc/urpc.go:294 +0x674 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered() pkg/urpc/urpc.go:389 +0x42 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1() pkg/urpc/urpc.go:409 +0x76 ================== W0625 10:04:16.822958 59015 x:0] FATAL ERROR: error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": EOF error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": EOF W0625 10:04:16.822944 4260 x:0] FATAL ERROR: error getting processes for container: error executing in sandbox: EOF error getting processes for container: error executing in sandbox: EOF